This European Standard specifies the characteristics of cast railway wheels for use on European networks.Two steel grades; C ER7 and C ER8, are defined in this standard. For tread braked wheels; only C ER7 shall be used.This standard is applicable to cast wheels which have a chilled rim1). The standard is only applicable to cast wheels that have satisfied technical approval procedure prEN13979-2:2005.This standard applies only to wheels used in freight wagon applications for speeds up to and including 120 km/h.
Note 1:"Rim Chilled" describes heat treatment of the rim, the aim of which is to harden the rim and to create circumferential compressive residual stresses in the rim.
Registration number (WIID)
26231
Scope
This European Standard specifies the characteristics of cast railway wheels for use on European networks.Two steel grades; C ER7 and C ER8, are defined in this standard. For tread braked wheels; only C ER7 shall be used.This standard is applicable to cast wheels which have a chilled rim1). The standard is only applicable to cast wheels that have satisfied technical approval procedure prEN13979-2:2005.This standard applies only to wheels used in freight wagon applications for speeds up to and including 120 km/h.
Note 1:"Rim Chilled" describes heat treatment of the rim, the aim of which is to harden the rim and to create circumferential compressive residual stresses in the rim.
